예제 #1
0
파일: MbTempData.cpp 프로젝트: hwyhit/JSVM
Void IntMbTempData::copyTo( MbDataAccess& rcMbDataAccess )
{
  rcMbDataAccess.getMbData()            .copyFrom( *this );
  rcMbDataAccess.getMbTCoeffs()         .copyFrom( *this );

  rcMbDataAccess.getMbMvdData(LIST_0)   .copyFrom( m_acMbMvdData[LIST_0] );
  rcMbDataAccess.getMbMotionData(LIST_0).copyFrom( m_acMbMotionData[LIST_0] );

  if( rcMbDataAccess.getSH().isBSlice() )
  {
    rcMbDataAccess.getMbMvdData(LIST_1)   .copyFrom( m_acMbMvdData[LIST_1] );
    rcMbDataAccess.getMbMotionData(LIST_1).copyFrom( m_acMbMotionData[LIST_1] );
  }
}
예제 #2
0
Bool
MbParser::xCheckSkipSliceMb( MbDataAccess& rcMbDataAccess, UInt uiNumMbRead, Bool& rbEndOfSlice )
{
  ROFRS( rcMbDataAccess.getSH().getSliceSkipFlag(), false );

  MbData& rcMbData = rcMbDataAccess.getMbData();
  rcMbData.setSkipFlag          ( false );
  rcMbData.setBLSkipFlag        ( true );
  rcMbData.setResidualPredFlag  ( true );
  rcMbData.setMbExtCbp          ( 0 );
  rcMbData.setFwdBwd            ( 0 );
  rcMbDataAccess.resetQp        ();
  rcMbDataAccess.getMbMotionData( LIST_0 ).clear( BLOCK_NOT_PREDICTED );
  rcMbDataAccess.getMbMotionData( LIST_1 ).clear( BLOCK_NOT_PREDICTED );
  rcMbDataAccess.getMbMvdData   ( LIST_0 ).clear();
  rcMbDataAccess.getMbMvdData   ( LIST_1 ).clear();

  rbEndOfSlice = ( uiNumMbRead >= rcMbDataAccess.getSH().getNumMbsInSliceMinus1() );
  return true;
}
예제 #3
0
ErrVal
MbParser::read( MbDataAccess&  rcMbDataAccess,
                UInt           uiNumMbRead,
                Bool&          rbEndOfSlice,
                UInt&          ruiNextSkippedVLC )
{
	const CommonMainH264* pcMainH264 = CommonMain::getMainH264();
	
	// FIXME:
  if (pcMainH264->getCurrentPictureId() == 1 && pcMainH264->getCurrentLayerId() == 16 && rcMbDataAccess.getMbData().getMbAddr() == 76)
  {
	int	a = 0;
  }

  ROF( m_bInitDone );

  ROTRS( xCheckSkipSliceMb( rcMbDataAccess, uiNumMbRead, rbEndOfSlice ), Err::m_nOK );

  Bool bIsCoded = true;
  if( m_pcMbSymbolReadIf->isMbSkipped( rcMbDataAccess, ruiNextSkippedVLC ) )
  {
    bIsCoded = false;
    rcMbDataAccess.getMbTCoeffs().clear();
    rcMbDataAccess.getMbData().clearIntraPredictionModes( true );
    RNOK( xSkipMb( rcMbDataAccess ) );
    rcMbDataAccess.getMbData().setBLSkipFlag( false );
    rcMbDataAccess.getMbData().setResidualPredFlag( rcMbDataAccess.getMbData().getInCropWindowFlag() ? rcMbDataAccess.getSH().getDefaultResidualPredictionFlag() : false );
    if( rcMbDataAccess.getSH().isBSlice() )
    {
      rcMbDataAccess.getMbData().setFwdBwd( 0x3333 );
      rcMbDataAccess.getMbMotionData( LIST_0 ).clear( RefIdxValues(1) );
      rcMbDataAccess.getMbMvdData   ( LIST_0 ).clear();
      rcMbDataAccess.getMbMotionData( LIST_1 ).clear( RefIdxValues(1) );
      rcMbDataAccess.getMbMvdData   ( LIST_1 ).clear();
    }
    else
    {
      rcMbDataAccess.getMbData().setFwdBwd( 0x1111 );
      rcMbDataAccess.getMbMotionData( LIST_0 ).clear( RefIdxValues(1) );
      rcMbDataAccess.getMbMvdData   ( LIST_0 ).clear();
    }
    rcMbDataAccess.resetQp(); // set QP to that of the last macroblock
  }

  if( bIsCoded )
  {
    if( rcMbDataAccess.getSH().isMbaffFrame() && ( rcMbDataAccess.isTopMb() || m_bPrevIsSkipped ) )
    {
      RNOK( m_pcMbSymbolReadIf->fieldFlag( rcMbDataAccess) );
    }

    Bool bBaseLayerAvailable = ! rcMbDataAccess.getSH().getNoInterLayerPredFlag();

      //===== base layer mode flag and base layer refinement flag =====
    if( bBaseLayerAvailable )
    {
      if ( rcMbDataAccess.getMbData().getInCropWindowFlag() == true )
      {
			  if( rcMbDataAccess.getSH().getAdaptiveBaseModeFlag() )
			  {
          m_pcMbSymbolReadIf->isBLSkipped( rcMbDataAccess );
			  }
			  else
			  {
          rcMbDataAccess.getMbData().setBLSkipFlag( rcMbDataAccess.getSH().getDefaultBaseModeFlag() );
			  }
      }
      else
      {
          rcMbDataAccess.getMbData().setBLSkipFlag( false );
      }
    }
    else
    {
        rcMbDataAccess.getMbData().setBLSkipFlag( false );
    }

    if( rcMbDataAccess.getSH().getStoreRefBasePicFlag() && rcMbDataAccess.getSH().getQualityId() > 0 && rcMbDataAccess.getMbData().getBLSkipFlag() == false )
    {
      printf("Conformance Issue: base_mode_flag = 0 in enhancement layer MGS key picture\n");
    }

    //===== macroblock mode =====
    if( ! rcMbDataAccess.getMbData().getBLSkipFlag() )
    {
      DECRNOK( m_pcMbSymbolReadIf->mbMode( rcMbDataAccess ) );
    }

    if( rcMbDataAccess.getMbData().getBLSkipFlag() )
    {
      //===== copy motion data from base layer ======
      rcMbDataAccess.getMbMvdData( LIST_0 ).clear();
      rcMbDataAccess.getMbMvdData( LIST_1 ).clear();
      rcMbDataAccess.getMbData().setBLSkipFlag( true  );
    }
    else
    {
      //===== BLOCK MODES =====
      if( rcMbDataAccess.getMbData().isInter8x8() )
      {
        DECRNOK( m_pcMbSymbolReadIf->blockModes( rcMbDataAccess ) );

        //===== set motion data for skip block mode =====
        UInt  uiFwdBwd = 0;

        for( B8x8Idx c8x8Idx; c8x8Idx.isLegal(); c8x8Idx++ )
        {
          UInt  uiBlkFwdBwd = rcMbDataAccess.getMbData().getBlockFwdBwd( c8x8Idx.b8x8Index() );

          if( rcMbDataAccess.getMbData().getBlkMode( c8x8Idx.b8x8Index() ) == BLK_SKIP )
          {
            uiBlkFwdBwd = 3;
            rcMbDataAccess.getMbMotionData( LIST_0 ).setRefIdx( 1,            c8x8Idx.b8x8() );
            rcMbDataAccess.getMbMotionData( LIST_1 ).setRefIdx( 1,            c8x8Idx.b8x8() );
            rcMbDataAccess.getMbMvdData   ( LIST_0 ).setAllMv ( Mv::ZeroMv(), c8x8Idx.b8x8() );
            rcMbDataAccess.getMbMvdData   ( LIST_1 ).setAllMv ( Mv::ZeroMv(), c8x8Idx.b8x8() );
          }

          uiFwdBwd |= ( uiBlkFwdBwd << ( c8x8Idx.b8x8Index() * 4 ) );
        }

        rcMbDataAccess.getMbData().setFwdBwd( uiFwdBwd );
      }
      rcMbDataAccess.resetQp(); // set QP to that of the last macroblock


      //===== MOTION DATA =====
      MbMode eMbMode = rcMbDataAccess.getMbData().getMbMode();
      if( rcMbDataAccess.getMbData().isIntra() )
      {
        //===== clear mtoion data for intra blocks =====
        rcMbDataAccess.getMbMotionData( LIST_0 ).clear( BLOCK_NOT_PREDICTED );
        rcMbDataAccess.getMbMvdData   ( LIST_0 ).clear();
        if( rcMbDataAccess.getSH().isBSlice() )
        {
          rcMbDataAccess.getMbMotionData( LIST_1 ).clear( BLOCK_NOT_PREDICTED );
          rcMbDataAccess.getMbMvdData   ( LIST_1 ).clear();
        }
      }
      else if( eMbMode == MODE_SKIP )
      {
        if( rcMbDataAccess.getSH().isBSlice() )
        {
          rcMbDataAccess.getMbData().setFwdBwd( 0x3333 );
          rcMbDataAccess.getMbMotionData( LIST_0 ).clear( RefIdxValues(1) );
          rcMbDataAccess.getMbMvdData   ( LIST_0 ).clear();
          rcMbDataAccess.getMbMotionData( LIST_1 ).clear( RefIdxValues(1) );
          rcMbDataAccess.getMbMvdData   ( LIST_1 ).clear();
        }
        else
        {
          rcMbDataAccess.getMbData().setFwdBwd( 0x1111 );
          rcMbDataAccess.getMbMotionData( LIST_0 ).clear( RefIdxValues(1) );
          rcMbDataAccess.getMbMvdData   ( LIST_0 ).clear();
          rcMbDataAccess.getMbMotionData( LIST_1 ).clear( BLOCK_NOT_PREDICTED );
          rcMbDataAccess.getMbMvdData   ( LIST_1 ).clear();
        }
      }
      else
      {
        if( rcMbDataAccess.getSH().isBSlice() )
        {
          DECRNOK( xReadMotionPredFlags  ( rcMbDataAccess, eMbMode, LIST_0 ) );
          DECRNOK( xReadMotionPredFlags  ( rcMbDataAccess, eMbMode, LIST_1 ) );
          DECRNOK( xReadReferenceIndices ( rcMbDataAccess, eMbMode, LIST_0 ) );
          DECRNOK( xReadReferenceIndices ( rcMbDataAccess, eMbMode, LIST_1 ) );
          DECRNOK( xReadMotionVectors    ( rcMbDataAccess, eMbMode, LIST_0 ) );
          DECRNOK( xReadMotionVectors    ( rcMbDataAccess, eMbMode, LIST_1 ) );
        }
        else
        {
          DECRNOK( xReadMotionPredFlags  ( rcMbDataAccess, eMbMode, LIST_0 ) );
          DECRNOK( xReadReferenceIndices ( rcMbDataAccess, eMbMode, LIST_0 ) );
          DECRNOK( xReadMotionVectors    ( rcMbDataAccess, eMbMode, LIST_0 ) );
        }
      }
    }

    //===== TEXTURE INFO =====
    if( rcMbDataAccess.getMbData().isPCM() )
    {
      DECRNOK( m_pcMbSymbolReadIf->samplesPCM( rcMbDataAccess ) );
    }
    else
    {
      if( ! rcMbDataAccess.getMbData().getBLSkipFlag() )
      {
        DECRNOK( xReadIntraPredModes( rcMbDataAccess ) );
      }

      Bool bTrafo8x8Flag =  ( rcMbDataAccess.getSH().getPPS().getTransform8x8ModeFlag() &&
                            ( rcMbDataAccess.getMbData().getBLSkipFlag() ||
                              ( rcMbDataAccess.getMbData().is8x8TrafoFlagPresent( rcMbDataAccess.getSH().getSPS().getDirect8x8InferenceFlag() ) &&
                               !rcMbDataAccess.getMbData().isIntra4x4() ) ) );
      bBaseLayerAvailable = ! rcMbDataAccess.getSH().getNoInterLayerPredFlag();

      DECRNOK( xReadTextureInfo( rcMbDataAccess,
                                 bTrafo8x8Flag,
                                 bBaseLayerAvailable,
                                 rcMbDataAccess.getSH().getScanIdxStart(),
                                 rcMbDataAccess.getSH().getScanIdxStop() ) );
    }
  }
  m_bPrevIsSkipped = ! bIsCoded;

  if( rcMbDataAccess.getSH().isMbaffFrame() && ( rcMbDataAccess.isTopMb() ) )
  {
    rbEndOfSlice = false;
    return Err::m_nOK;
  }

  //===== terminating bits =====
  rbEndOfSlice = m_pcMbSymbolReadIf->isEndOfSlice();

  return Err::m_nOK;
}